.logo {
  display: block;
  width: rem(400px);
  height: rem(400px);
  margin: rem(100px) auto 0;
}

.welcome, .text {
  margin: 10px 0;
  text-align: center;
  color: #4e4e4e;
}

.welcome {
  font-size: rem(110px);
}

.text {
  font-size: rem(50px);
}